Bosch HR8DC+ NS 7570 Spark Plug

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Rating

2.9 / 5 Overall
Bosch	HR8DC+ NS
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

0.8mm (.031")	8
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
17.5mm (.689")	16mm (5/8")
Reach	Hex size
Tapered	Removable Nut
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (1)

Alternative spark plugs found in cross-reference docs provided by manufacturers

104

Copper

-

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 2

Deep reference (13)

A second level of cross-reference: if A=B and B=C, then A=C

IT20

Copper-Iridium

4.3/ 5

.043"17.5mm, ⌀14x1.25HR 20

VT20

Iridium-Platinum

4.2/ 5

.043"17.5mm, ⌀14x1.25HR 20

T16EPR-U

Copper

3.3/ 5

.031"18mm, ⌀14x1.25HR 16

T20EPR-U

Copper

3.3/ 5

.031"18mm, ⌀14x1.25HR 20

T20EP-U

Copper

3.3/ 5

.031"18mm, ⌀14x1.25HR 20

HGR7KQC

Copper

3.2/ 5

.063"17.5mm, ⌀14x1.25HR 7

BP6EF

Copper

3.1/ 5

.028"18mm, ⌀14x1.25HR 6

HR8DCX

Copper

-

2.9/ 5

.043"17.5mm, ⌀14x1.25HR 8

H9DC

Copper

-

2.9/ 5

.031"17.5mm, ⌀14x1.5HR 9

HR8DCX+

Copper

-

2.9/ 5

.043"17.5mm, ⌀14x1.25HR 8

HR9DC+

Copper

-

2.9/ 5

.035"17.5mm, ⌀14x1.25HR 9

RS14YC

Copper

-

2.9/ 5

.045"17.5mm, ⌀14x1.25HR 14

BPR6EFS

Copper

-

2.9/ 5

.031"18mm, ⌀14x1.25HR 6

Bigger gap (6)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it

9204S

Iridium-Platinum

4.2/ 5

.039"17.5mm, ⌀14x1.25HR 12

RS12WYPB4

Iridium-Platinum

4.2/ 5

.039"17.5mm, ⌀14x1.25HR 12

HR8DPX

Copper-Platinum

3.3/ 5

.043"17.5mm, ⌀14x1.25HR 8

HR8DCX

Copper

-

2.9/ 5

.043"17.5mm, ⌀14x1.25HR 8

401CC

Copper

-

2.9/ 5

.039"17.5mm, ⌀14x1.25HR 12

401C2

Copper

-

2.9/ 5

.039"17.5mm, ⌀14x1.25HR 12

One step colder (2)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)

HR7DC 7567

Copper

-

2.9/ 5

.031"17.5mm, ⌀14x1.25HR 7

HR7DC 7601

Copper

-

2.9/ 5

.031"17.5mm, ⌀14x1.25HR 7